1 //===-- GenericValue.h - Represent any type of LLVM value -------*- C++ -*-===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 //
10 // The GenericValue class is used to represent an LLVM value of arbitrary type.
11 //
12 //===----------------------------------------------------------------------===//
13 
14 
15 #ifndef GENERIC_VALUE_H
16 #define GENERIC_VALUE_H
17 
18 #include "llvm/ADT/APInt.h"
19 #include "llvm/Support/DataTypes.h"
20 
21 namespace llvm {
22 
23 typedef void* PointerTy;
24 class APInt;
25 
26 struct GenericValue {
27   union {
28     double          DoubleVal;
29     float           FloatVal;
30     PointerTy       PointerVal;
31     struct { unsigned int first; unsigned int second; } UIntPairVal;
32     unsigned char   Untyped[8];
33   };
34   APInt IntVal;   // also used for long doubles
35 
GenericValueGenericValue36   GenericValue() : DoubleVal(0.0), IntVal(1,0) {}
GenericValueGenericValue37   explicit GenericValue(void *V) : PointerVal(V), IntVal(1,0) { }
38 };
39 
PTOGV(void * P)40 inline GenericValue PTOGV(void *P) { return GenericValue(P); }
GVTOP(const GenericValue & GV)41 inline void* GVTOP(const GenericValue &GV) { return GV.PointerVal; }
42 
43 } // End llvm namespace
44 #endif
45